Classify the ticket below. Use only these labels.

Categories: [category list, e.g. billing, bug, feature_request, account_access, shipping, other]
Urgency: low | normal | high (high = [your definition, e.g. customer cannot use the product or mentions a deadline within 24 hours])

Extract:
- product_area: one of [areas] or null
- order_id: the order number if present, else null
- sentiment: negative | neutral | positive
- summary: one sentence, no customer names

Return only JSON matching this shape: {"category": "", "urgency": "", "product_area": null, "order_id": null, "sentiment": "", "summary": ""}

Ticket:
<ticket>
[ticket text]
</ticket>